Find all hardlinks in tar files

tar_find_hardlinks.py

#!/usr/bin/env python3
import sys
import tarfile

if len(sys.argv) < 2:
	print("usage: " + sys.argv[0] + " tarfile")
	sys.exit(1)

path = sys.argv[1]
print("Listing all hardlinks in " + path + ":")
with tarfile.open(path, "r:gz") as tar:
	for member in tar.getmembers():
		if not member.islnk():
			continue
		print("* " + member.name + " -> " + member.linkname)
print("Done!")